DTC U3002:56 [MAZDA ERA-GLONASS CONTROL MODULE]
id0902r6083600
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Description |
VIN data unmatched with instrument cluster |
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Detection condition
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• Mazda ERA-GLONASS control module detects that the vehicle identification number (VIN) sent from the instrument cluster does not match twice in a row.
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Fail-safe function
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• In factory mode: The mode cannot be switched from factory mode to market mode because test mode cannot be activated.
• In market mode: Because the configuration data (VIN) stored in the Mazda ERA-GLONASS control module does not correspond with the vehicle configuration data (VIN), an emergency call (both manual and auto) is not made (to prevent theft of Mazda ERA-GLONASS control module).
Test mode is not activated
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Possible cause
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• Mazda ERA-GLONASS control module for different vehicle model is installed
• Instrument cluster configuration malfunction
• Instrument cluster malfunction
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System wiring diagram
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Not applicable
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Diagnostic Procedure
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Step |
Inspection |
Action |
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1
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VERIFY MAZDA ERA-GLONASS CONTROL MODULE WAS INSTALLED ON DIFFERENT VEHICLE
• Verify if the Mazda ERA-GLONASS control module was installed on a different vehicle.
• Was the Mazda ERA-GLONASS control module installed on a different vehicle?
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Yes
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Install the correct Mazda ERA-GLONASS control module, then go the next step.
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No
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Go to the next step.
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2
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VERIFY MAZDA ERA-GLONASS CONTROL MODULE DTCs AGAIN
• Clear the DTC for the Mazda ERA-GLONASS control module using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 25 s or more.
• Perform the DTC inspection for the Mazda ERA-GLONASS control module using the M-MDS.
• Is the same DTC displayed?
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Yes
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Go to the next step.
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No
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Go to Step 5.
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3
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RESET CONFIGURATION DATA FROM INSTRUMENT CLUSTER TO MAZDA ERA-GLONASS CONTROL MODULE
• Using the M-MDS, perform the instrument cluster configuration (using As-Built data).
• Clear the DTC for the Mazda ERA-GLONASS control module using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 25 s or more.
• Perform the DTC inspection for the Mazda ERA-GLONASS control module using the M-MDS.
• Is the same DTC displayed?
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Yes
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Using the M-MDS, perform the instrument cluster configuration (using As-Built data) again, then go to the next step.
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No
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Go to Step 5.
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4
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VERIFY THAT REPAIRS HAVE BEEN COMPLETED
• Clear the DTC for the Mazda ERA-GLONASS control module using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 25 s or more.
• Perform the DTC inspection for the Mazda ERA-GLONASS control module using the M-MDS.
• Is the same DTC displayed?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the Mazda ERA-GLONASS control module.
Go to the next step.
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No
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Go to the next step.
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5
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VERIFY IF OTHER DTCs DISPLAYED
• Are any other DTCs displayed?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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